<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <title>Insert title here</title>
</head>
<body style="background-color: yellow;">
<p>
  欢迎来到本页面，请输入您的姓名
</p>
<form action="LoginServlet" method="post" name="form">
  <input type="text" name="username" placeholder="请输入您的姓名">
  <input type="submit" value="登录" name="submit">
</form>
</body>
</html>